Method and device for communicating electrical positioning information of a final control element
First Claim
1. A method for communicating electrical positioning information of an actuator-positioned final control element, said positioning information resulting from continually sensing a position of the final control element, comprising the steps of:
- forming or receiving a binary signal having a signal condition 0 when the final control element has attained a predefined position or position range, and a signal condition 1 when the final control element has not attained the predefined position or the position range; and
for forming a positioning signal combining the signal conditions of the binary signal and the continually sensed positioning information such that the signal conditions of the binary signal, the positioning information, or both can be optionally invoked from said positioning signal.
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Abstract
In a method for communicating electrical positioning information of an actuator-positioned final control element such as a valve element, the positioning information resulting from continually sensing the position of the final control element, a binary signal is formed or received signalling a condition 0 (zero) when the final control element has attained a predefined position and a condition 1 (one) when the final control element has not attained the predefined position or the predefined position range. For forming a positioning signal, the corresponding signal condition of the binary signal and the associated continually sensed positioning information are combined such that the corresponding signal condition of the binary signal or the positioning information or both can be optionally invoked from the positioning signal.
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Citations
28 Claims
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1. A method for communicating electrical positioning information of an actuator-positioned final control element, said positioning information resulting from continually sensing a position of the final control element, comprising the steps of:
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forming or receiving a binary signal having a signal condition 0 when the final control element has attained a predefined position or position range, and a signal condition 1 when the final control element has not attained the predefined position or the position range; and for forming a positioning signal combining the signal conditions of the binary signal and the continually sensed positioning information such that the signal conditions of the binary signal, the positioning information, or both can be optionally invoked from said positioning signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A system for transmitting electrical positioning information of an actuator-positioned final control element, comprising:
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a communication device having an input for receiving continually sensed positioning information from a sensor and an output for forwarding a positioning signal; said communication device generating or receiving by way of the positioning information a binary signal signalling a condition 0 when the final control element has attained a predefined position or a predefined position range, and signalling a condition 1 when the final control element has not attained the predefined position or the predefined position range; and said communication device combining the signal conditions of the binary signal and the continually sensed positioning information for forming said positioning signal such that the signal conditions of the binary signal, the positioning information, or both can be optionally invoked from said positioning signal. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A system for transmitting electrical positioning information of an actuator-positioned final control element comprising a valve element, comprising:
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a communication device having an input for receiving continually sensed positioning information from a sensor positioned to sense a position of said valve element and an output for forwarding a positioning signal; said communication device generating or receiving by way of the positioning information a binary signal signalling a first condition when the valve element has attained a predetermined position or a predefined position range, and signalling a second condition when the valve element has not attained the predefined position or the predefined position range; and said communication device combining the signal conditions of the binary signal and the continually sensed positioning information for forming said positioning signal such that the signal conditions of the binary signal, the positioning information, or both can be optionally invoked from said positioning signal.
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28. A method for communicating electrical positioning information of an actuator-positioned final control element, said positioning information resulting from continually sensing a position of the final control element, comprising the steps of:
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forming or receiving a binary signal having a first signal condition when the final control element has attained a predefined position or position range, and a second signal condition when the final control element has not attained the predefined position or the position range; and for forming a positioning signal combining the signal conditions of the binary signal and the continually sensed positioning information such that the signal conditions of the binary signal, the positioning information, or both can be optionally invoked from said positioning signal.
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Specification